They made them in Infentry, Officers, and  Calvery models if I'm not mistaken.  The ones you discribed sounds like the Infantry and Officers models.  The Calvery model had a saddle ring mounted on the left side.  Rog
By the way, Tennessee Travler:  What part of Tennessee aqre you in?  I was in Hendersonville, and Carthridge last month.  I usually go down there every winter.  I was born and raised there, but have lived in Alaska now for 38 years.